#include <iostream>
using namespace std;

int main (void)
{
	volatile const int ci = 100;
	//int *pci = &ci;//error
	int *pci = const_cast <int *>(&ci);//ok
	*pci = 20;
	
	cout << "ci = " << ci << endl;//100
	cout << "*pci =" << *pci << endl;//20

	cout << "&ci = " << &ci << endl;
	cout << "pci = " << pci << endl;
	return 0;
}
